81113055

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{397}}^1$

素因数の和:715

約数の個数: 32

約数和(自身を含む): 133078464

約数和(自身を除く): 51965409

約数列:

[1, 3, 5, 15, 53, 159, 257, 265, 397, 771, 795, 1191, 1285, 1985, 3855, 5955, 13621, 21041, 40863, 63123, 68105, 102029, 105205, 204315, 306087, 315615, 510145, 1530435, 5407537, 16222611, 27037685, 81113055]

約数ペア:

[(1, 81113055), (3, 27037685), (5, 16222611), (15, 5407537), (53, 1530435), (159, 510145), (257, 315615), (265, 306087), (397, 204315), (771, 105205), (795, 102029), (1191, 68105), (1285, 63123), (1985, 40863), (3855, 21041), (5955, 13621)]